我们能用以下的感觉器官来确认食物是否已经变质,除了……
六年级科学《食物的保存》

Quiz
•
Science
•
11th - 12th Grade
•
Hard

WOONG Moe
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
嗅觉
味觉
触觉
听觉
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
以下是有关食物变质的特征与感觉器官的配对,哪项是正确的?
发霉 - 食物颜色会改变
气味 - 食物带有异味或酸味
味道 - 食物发出难闻的臭味
外观 - 食物的外形改变了
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
我们怎样确认盒装或罐装饮料变质了?
饮料会发出难闻的臭味
饮料尝起来有异味或酸味
饮料长出黑色、绿色、白色或灰色等斑点
饮料的颜色改变了
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
为什么食物会变质?
没有把食物煮熟
没有把食物放进电冰箱
微生物分解食物,并吸收食物的养分,然后排出废物
苍蝇在食物上产卵
5.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
如何避免食物太快变质?
抽出空气
让食物中的水分蒸发掉
把食物泡在醋里面
杀死微生物
6.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
适合真空包装的食物是……
面包
果酱
蔬菜水果
鲜奶
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
以下都是干藏的食物的方法,除了……
放在阳光下晒干
放在风扇底下吹干
放入烤箱
用燃烧木柴产生的烟熏干
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